Question

The number of ways of distributing 8 identical balls in 3 distinct boxes so that none of the boxes is empty is

• A. 3⁸
• B. 21
• C. 5
• D. ⁸C₃

Answer 1

Answer: (B)

21

Answer 2

^8–1C_3–1 = ⁷C₂ = 21